Dell XPS 13 7390 vs. Lenovo Legion 7i 15”: Which is better?

Here is a side by side comparison between Dell XPS 13 7390 and Lenovo Legion 7i 15” specs including CPU, RAM, storage, battery, display, and more.

Dell XPS 13 7390 Pros

Reasons that Dell XPS 13 7390 is better than Lenovo Legion 7i 15”.

About 42% lighter

Dell XPS 13 7390 weighed 2.7 pounds, 42% lighter than the 4.6 pounds Lenovo Legion 7i 15”.

WeightDell XPS 13 7390Lenovo Legion 7i 15”
Pound
2.7 lbs.
4.6 lbs.
Kilogram
1.22 kg
2.09 kg

Lenovo Legion 7i 15” Pros

Reasons that Lenovo Legion 7i 15” is better than Dell XPS 13 7390.

Newer manufacturing

2020 vs. 2019

Significantly faster CPU performance

Intel Core i9-10980HK inside Lenovo Legion 7i 15” has a 46% better multi-core CPU performance score than the Intel Core i7-10710U inside Dell XPS 13 7390.

Geekbench 5 multi-core score
Lenovo Legion 7i 15” - Intel Core i9-10980HK
7,013
Lenovo Legion 7i 15” - Intel Core i7-10875H
6,874
Lenovo Legion 7i 15” - Intel Core i7-10750H
5,412
Dell XPS 13 7390 - Intel Core i7-10710U
4,786
Lenovo Legion 7i 15” - Intel Core i5-10300H
3,747
Dell XPS 13 7390 - Intel Core i7-10510U
2,942
Dell XPS 13 7390 - Intel Core i5-10210U
2,933
Dell XPS 13 7390 - Intel Core i3-10110U
1,866
Supports larger memory

Lenovo Legion 7i 15” supports a larger memory capacity than the Dell XPS 13 7390. It supports up to 32GB versus 16GB of system memory on the Dell XPS 13 7390.

Max system memory size
Lenovo Legion 7i 15”
32 GB
Dell XPS 13 7390
16 GB
Supports faster memory

Lenovo Legion 7i 15” supports a faster memory speed than the Dell XPS 13 7390. It supports up to 3200MHz versus 2133MHz of system memory on the Dell XPS 13 7390.

Memory type and speed
Lenovo Legion 7i 15” - DDR4
3,200 MHz
Dell XPS 13 7390 - LPDDR3
2,133 MHz
Upgradable memory

Lenovo Legion 7i 15” comes with two SODIMM slots that allow you to replace or upgrade when needed. On the flip side, you can't upgrade RAM on the Dell XPS 13 7390 since it has onboard memory.

MemoryDell XPS 13 7390Lenovo Legion 7i 15”
Slots
Onboard
x2
TypeLPDDR3DDR4
Supports discrete graphics

Configurable up to NVIDIA GeForce RTX 2070 SUPER 8GB GDDR6 with Max-Q vs. integrated

17% larger display

Lenovo Legion 7i 15” has a 15.6-inch screen size 17% larger than the 13.3-inch Dell XPS 13 7390.

Display size
Lenovo Legion 7i 15”
15.6-inch
Dell XPS 13 7390
13.3-inch

Prices

Here are the latest price updates and offers for both devices.

Dell XPS 13 7390 Price
Dell XPS 7390 Laptop PC 13.4 inch FHD Non-Touch Laptop PC, Intel Core i7-10710U 10th Gen Processor, 16GB Ram, 256GB NVMe SSD, Webcam, Thunderbolt, Windows 11 Pro (Renewed)
Dell XPS 7390 Laptop PC 13.4 inch FHD Non-Touch Laptop PC, Intel Core i7-10710U 10th Gen Processor, 16GB Ram, 256GB NVMe SSD, Webcam, Thunderbolt, Windows 11 Pro (Renewed)
By Dell
$440.99
Dell XPS 13 7390 Laptop 13.3 inch, 4K UHD InfinityEdge Touch, 10th Generation Intel Core i7-10710U, Intel UHD Graphics, 512GB SSD, 16GB RAM, Windows 10 Home, XPS7390-7121SLV-PUS (Renewed)
Dell XPS 13 7390 Laptop 13.3 inch, 4K UHD InfinityEdge Touch, 10th Generation Intel Core i7-10710U, Intel UHD Graphics, 512GB SSD, 16GB RAM, Windows 10 Home, XPS7390-7121SLV-PUS (Renewed)
By Dell
$515.76
Dell XPS 13 7390 Laptop Computer, 13.3 inch 4K(3840x2160) Touchscreen, 10th Generation Intel Core i7-10710U, 16GB RAM, 512GB SSD, Windows 10 Pro(Renewed)
Dell XPS 13 7390 Laptop Computer, 13.3 inch 4K(3840x2160) Touchscreen, 10th Generation Intel Core i7-10710U, 16GB RAM, 512GB SSD, Windows 10 Pro(Renewed)
By Dell
$559.00
Lenovo Legion 7i 15” Price
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$3,295.00
Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i7-13700H 14C, NVIDIA GeForce RTX 4060, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Slim 7i Gen 8 16" Gaming Laptop (2023 Model) - Intel Core i7-13700H 14C, NVIDIA GeForce RTX 4060, 16GB RAM, 1TB M.2 NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$1,699.95
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
Lenovo Legion Pro 7i Gaming Laptop, 16" WQHD IPS 240Hz Display, Intel Core i9-13900HX, GeForce RTX 4080, 32GB DDR5 RAM, 2TB SSD, Webcam, Per-Key RGB Backlit KB, Wi-Fi 6E, Windows 11 Home
By Lenovo
$2,999.00

Availability

Dell XPS 13 7390Lenovo Legion 7i 15”
Released20192020
Release Date
  • Announced at IFA 2019
  • Available on August 27, 2019
Announced in April 2020
Pricing-Starting at $1199.99
Generations-

Exterior

Dell XPS 13 7390Lenovo Legion 7i 15”
Dimensions11.88 x 7.84 x 0.31 - 0.46 in (301.76 x 199.24 x 7.80 - 11.63mm)
Width: 11.88” (301.76 mm)
Depth: 7.84” (199.24 mm)
Height: 0.31 - 0.46” (7.80 - 11.63mm)
14.1" x 10" x 0.8"/ 360mm x 255mm x 20mm
Weight2.7 lbs - 2.84 lbs (1.23 kg - 1.29 kg)Starting at 4.6 lbs (2.1 kg)
Colors
  • Frost with Arctic white woven glass.
  • Rose Gold with Arctic white woven glass.
  • Platinum silver with black carbon fiber interior.
Slate Grey
Keyboard and Trackpad
  •  Full-size backlit keyboard.
  • 4.13 x 2.36 in (105 mm x 60 mm) touchpad with multi-touch gesture support.
  • Keyboard
    • Backlit full-size with the backlit keyboard.
    • Corsair® iCUE RGB support
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.

Display

Dell XPS 13 7390Lenovo Legion 7i 15”
Size13.3 Inches15.6 Inches
Info
  • 13.3-inch FHD
    1920 x 1080, 166 PPI, 60 Hz, 1500:1 contrast ratio, 400 nits luminance, 2.90 W power consumption, Anti-glare, Non-touch support.
  • 13.3-inch FHD touchscreen
    1920 x 1080, 166 PPI, 60 Hz, 1500:1 contrast ratio, 400 nits luminance, 2.90 W power consumption, Anti-reflective, Touch support.
  • 13.3-inch 4K UHD touchscreen
    3840 x 2160, 331 PPI, 60 Hz, 1500:1 contrast ratio, 400 nits luminance, 5.41 W power consumption, Anti-reflective, Touch support.
  • 15.6" FHD 144Hz
    1920 x 1080, IPS, 144 Hz, < 3ms response time, 100% sRGB, 300 nits.
  • 15.6" FHD 144Hz HDR
    1920 x 1080, IPS, 144 Hz, <3 ms Response Time, 100% Adobe RGB, 500 nits, VESA DisplayHDR 400-certified, Dolby Vision™-enabled.
  • 15.6" FHD 240Hz HDR
    1920 x 1080, IPS, 240 Hz, <1 ms Response Time, 100% sRGB, 500 nits, VESA DisplayHDR 400 Certified, Dolby Vision™ Enabled.

Ports

Dell XPS 13 7390Lenovo Legion 7i 15”
Dell XPS 13 7390 Ports
Image Source: Dell
Left (3)
  • 1 x lock slot
    Wedge-shaped lock slot
  • 2 x Thunderbolt 3
    40 Gpbs, Power Delivery, DC-in, DisplayPort, 4 lanes of PCI Express Gen 3 (40 Gbps)
Right (3)
  • 1 x microSD card slot
  • 1 x USB-C
    USB 3.1 Gen 1 (5 Gbps), Power Delivery, DC-in, DisplayPort
  • 1 x headphone jack
  • 1 x Thunderbolt™ 3 Type-C™ (Thunderbolt™, DisplayPort™, USB 3.1, HDMI™)
  • 1 x USB-C (DisplayPort™ 1.4, USB 3.1 Gen 1)
  • 2 x USB 3.1 Gen 2 Type-A
  • 1 x USB 3.1 Gen 1 Type-A
  • 1 x HDMI™ 2.0
  • 1 x RJ45 Ethernet
  • 1 x Kensington MiniSaver Lock slot
  • 1 x 3.5mm microphone/headphone combo
  • 1 x Power input
  • 1 x NOVO hole

Internal Specs

Dell XPS 13 7390Lenovo Legion 7i 15”
Processor
  1. 10th Gen Intel® Core™ i3-10110U
    2 cores, 4 threads, 2.10 → 4.10 GHz, 4MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-10210U
    4 cores, 8 threads, 1.60 → 4.20 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-10510U
    4 cores, 8 threads, 1.80 → 4.90 GHz, 8MB SmartCache, 15W
  4. 10th Gen Intel® Core™ i7-10710U
    6 cores, 12 threads, 1.10 → 4.70 GHz, 12MB SmartCache, 15W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i3-10110U
    Intel® UHD Graphics
    23 Execution Units, 300 → 1000 MHz
  2. 10th Gen Intel® Core™ i5-10210U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1100 MHz
  3. 10th Gen Intel® Core™ i7-10510U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  4. 10th Gen Intel® Core™ i7-10710U
    Intel® UHD Graphics
    24 Execution Units, 300 → 1150 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  4. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Memory
  • 4GB 8 GB 16 GB
    2133 MHz Dual-channel LPDDR3 SDRAM
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2933MHz or 3200MHz
Discrete Graphics-
  • NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2060 (6GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2080 SUPER Max-Q (8GB GDDR6)
  • NVIDIA® GeForce RTX™ 2070 SUPER Max-Q (8GB GDDR6)
Storage
  • 128 GB 256 GB
    M.2 2230 PCIe® 3x2 NVMe™ SSD, Up to 32 Gbps.
  • 256 GB 512 GB 1 TB 2 TB
    M.2 2280 PCIe® 3x4 NVMe™ SSD, Up to 32 Gbps.
  • Storage Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
    • 1 x 2.5 inches hard drive slot
  • Storage Configurations
    • 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD
    • 1 TB/2 TB HDD

Connectivity

Dell XPS 13 7390Lenovo Legion 7i 15”
Wi-Fi
  • Rivet Killer AX1650W
    Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, WiFi 802.11 a/b/g, WiFi-4 (802.11n), WiFi-5 (802.11ac), WiFi-6 (802.11ax)
WiFi 6 802.11AX (2 x 2)
Up to 2400 Mbps, WiFi 802.11 b/g/a/n/ac/ax.
Bluetooth
  • Rivet Killer AX1650W › Bluetooth 5.0
Bluetooth 5.0
Ethernet-Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

Dell XPS 13 7390Lenovo Legion 7i 15”
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 52 Wh
80 Wh (4 Cell polymer)
Battery Life
  • Up to 21 hours on FHD panel
Up to 7.7 hours
Power Supply45 W USB (Type-C) power adapter
20 VDC/2.25A, 15 VDC/3A, 9 VDC/3A, 5VDC/3A
230W AC power adapter
Lenovo proprietary charging port.

Software

Dell XPS 13 7390Lenovo Legion 7i 15”
OS
Windows 10 Home Windows 10 Pro Ubuntu 18.04
Upgradable to Windows 11
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
  • Microsoft Office 30-days trial
  • McAfee LiveSafe™ 12 Month Subscription
  • Corsair® iCUE
  • Lenovo Vantage
  • McAfee LiveSafe™
  • Microsoft Office Trial

Camera & Audio

Dell XPS 13 7390Lenovo Legion 7i 15”
Camera
  • Front-facing camera
    Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Front-facing camera
Top-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio
  • Realtek ALC3271-CG with Waves MaxxAudio Pro
  • Two speakers (2.5W x 2 = 4W peak)
  •  4 digital array microphones; Far Field Cortana Capable
  • 2 x 2W Harman Kardon® Speaker System with Chamber
  • Dolby Atmos® Headphone Support
  • Dual-array microphones

Misc

Dell XPS 13 7390Lenovo Legion 7i 15”
Sensors
  • Ambient light sensor
  • Windows Hello compliant fingerprint reader in the power button
-
Security
  • Windows Hello with Fingerprint Sign in
  • Wedge-shaped lock
  • Chassis Kensington® Wedge security lock
In the box-
  • Legion 7i 15"
  • 4 Cell 80Wh internal battery
  • 230W AC adapter
  • Quick start guide
Warranty-One Year Legion Ultimate Support

Key Features

Dell XPS 13 7390Lenovo Legion 7i 15”
At Glance
Released in Mid
2019
16:9 4K UHD
13.3”
2160p 60Hz
Weight
2.7 lb
1.22 kg
Up to
Intel Core i7-10710U
6C/12T, 1.10 → 4.70 GHz
Geekbench 5
1,051
Single Core
Geekbench 5
4,786
Multi-Core
With integrated
Intel® UHD Graphics
24 Execution Units, 300 → 1150 MHz
Configurable up to
16GB
2133 MHz LPDDR3
Dell XPS 13 7390 Ports
Released in
2020
16:9 FHD
15.6”
1080p 240Hz
Weight
4.6 lb
2.09 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2070 SUPER
8GB GDDR6 with Max-Q

Comparison Summary

Dell XPS 13 7390 vs. Lenovo Legion 7i 15”

Dell has released the XPS 13 7390, a 13.3-inch machine, in mid-2019. It is powered by up to a hexa-core Intel Core i7-10710U with a boost clock speed up to 4.70 GHz. The laptop has an integrated graphics option up to Intel® UHD Graphics (24 Execution Units, 300 → 1150 MHz).

On the other hand, we have the 15.6-inch Legion 7i 15” was introduced by Lenovo about a year later in 2020. It comes with up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 2070 SUPER with 8GB GDDR6 with Max-Q.

Geekbench 5 Single Core

Dell XPS 13 73901
10th Gen Intel® Core™ i3-10110U89773.34%
2
10th Gen Intel® Core™ i5-10210U94477.19%
3
10th Gen Intel® Core™ i7-10510U95778.25%
4
10th Gen Intel® Core™ i7-10710U1,05185.94%
Lenovo Legion 7i 15”1
10th Gen Intel® Core™ i5-10300H1,06186.75%
2
10th Gen Intel® Core™ i7-10750H1,13492.72%
3
10th Gen Intel® Core™ i7-10875H1,19297.47%
4
10th Gen Intel® Core™ i9-10980HK1,223100.00%
01,223

Geekbench 5 Multi Core

Dell XPS 13 73901
10th Gen Intel® Core™ i3-10110U1,86626.61%
2
10th Gen Intel® Core™ i5-10210U2,93341.82%
3
10th Gen Intel® Core™ i7-10510U2,94241.95%
4
10th Gen Intel® Core™ i7-10710U4,78668.24%
Lenovo Legion 7i 15”1
10th Gen Intel® Core™ i5-10300H3,74753.43%
2
10th Gen Intel® Core™ i7-10750H5,41277.17%
3
10th Gen Intel® Core™ i7-10875H6,87498.02%
4
10th Gen Intel® Core™ i9-10980HK7,013100.00%
07,013

The Dell XPS 13 7390 has a 13.3-inch display which is considerably smaller than the 15.6-inch Lenovo Legion 7i 15”. In addition, The Dell XPS 13 7390 weighs 2.7 lbs. about 70% lighter than the 4.6 lbs. Lenovo Legion 7i 15”. Moreover, measured at 11.88” x 7.84” x 0.46”, the Dell XPS 13 7390 is much more portable than the Lenovo Legion 7i 15” at 14.1” x 10” x 0.8”.

Dell XPS 13 7390Lenovo Legion 7i 15”

Moving over to upgradability, Dell claims that the Dell XPS 13 7390 supports up to 16GB 2133 MHz LPDDR3 memory. However, it has an onboard memory module that is not upgradable by the users. Fortunately, it comes with a single removable M.2 SSD slot that users can replace and upgrade in the future.

For Lenovo Legion 7i 15”, it supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has a single removable M.2 SSD slot that users can replace or upgrade when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.

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